mwifiex: derive priv from net_device instead of wiphy

Currently mwifiex_private pointers are derived from wiphy
structures. This will always work as long as there is only
one net_device associated with one wiphy. In scenarios where
there are multiple net_devices associated with single
wiphy, one should use net_device to derive the priv.

Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 8 insertions, 11 deletions

diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 36f67da8fa4f..00f10059ecb4 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -79,7 +79,7 @@ static int
 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
                          u8 key_index, bool pairwise, const u8 *mac_addr)
 {
-        struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+        struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
 
         if (mwifiex_set_encode(priv, NULL, 0, key_index, 1)) {
                 wiphy_err(wiphy, "deleting the crypto keys\n");
@@ -122,7 +122,7 @@ mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
                                 struct net_device *dev,
                                 bool enabled, int timeout)
 {
-        struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+        struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
         u32 ps_mode;
 
         if (timeout)
@@ -143,7 +143,7 @@ mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
                                  u8 key_index, bool unicast,
                                  bool multicast)
 {
-        struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+        struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
 
         /* Return if WEP key not configured */
         if (priv->sec_info.wep_status == MWIFIEX_802_11_WEP_DISABLED)
@@ -165,7 +165,7 @@ mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
                          u8 key_index, bool pairwise, const u8 *mac_addr,
                          struct key_params *params)
 {
-        struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+        struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
 
         if (mwifiex_set_encode(priv, params->key, params->key_len,
                                                         key_index, 0)) {
@@ -376,7 +376,7 @@ mwifiex_cfg80211_set_channel(struct wiphy *wiphy, struct net_device *dev,
                              struct ieee80211_channel *chan,
                              enum nl80211_channel_type channel_type)
 {
-        struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+        struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
 
         if (priv->media_connected) {
                 wiphy_err(wiphy, "This setting is valid only when station "
@@ -1004,7 +1004,7 @@ static int
 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
                            struct cfg80211_ibss_params *params)
 {
-        struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+        struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
         int ret = 0;
 
         if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
@@ -1042,7 +1042,7 @@ done:
 static int
 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
 {
-        struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+        struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
 
         wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
                         priv->cfg_bssid);
@@ -1280,10 +1280,7 @@ EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
  */
 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev)
 {
-        struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
-
-        if (!priv || !dev)
-                return 0;
+        struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
 
 #ifdef CONFIG_DEBUG_FS
         mwifiex_dev_debugfs_remove(priv);